28740628

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 59439744

約数和(自身を除く): 30699116

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 107, 181, 212, 214, 362, 371, 428, 724, 742, 749, 1267, 1484, 1498, 2534, 2996, 5068, 5671, 9593, 11342, 19186, 19367, 22684, 38372, 38734, 39697, 67151, 77468, 79394, 134302, 135569, 158788, 268604, 271138, 542276, 1026451, 2052902, 4105804, 7185157, 14370314, 28740628]

約数ペア:

[(1, 28740628), (2, 14370314), (4, 7185157), (7, 4105804), (14, 2052902), (28, 1026451), (53, 542276), (106, 271138), (107, 268604), (181, 158788), (212, 135569), (214, 134302), (362, 79394), (371, 77468), (428, 67151), (724, 39697), (742, 38734), (749, 38372), (1267, 22684), (1484, 19367), (1498, 19186), (2534, 11342), (2996, 9593), (5068, 5671)]